<!DOCTYPE>
<html>

<head>
    <title>Clock</title>
</head>

<body>
    <clock></clock>
     <clock></clock>
      <clock></clock>
       <clock></clock>
    <script src="http://cdnjs.cloudflare.com/ajax/libs/riot/3.0.2/riot+compiler.min.js"></script>
    <script type="riot/tag" src="clock.html"></script>
    <script>
        riot.mount('*')
    </script>
</body>

</html>